<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>03固定容器</title>
    <link rel="stylesheet" href="css/bootstrap.min.css">
    <script type="text/javascript" src="js/jquery.min.js"></script>
    <script type="text/javascript" src="js/bootstrap.min.js"></script>

</head>
<body>
<div class="container" style="background-color: pink">
  test
</div>
</body>
</html>